6H7B:
reference: The Leishmania PABP1-eIF4E4 interface: a novel 5'-3' interaction architecture for trans-spliced mRNAs., Dos Santos Rodrigues FH, Firczuk H, Breeze AL, Cameron AD, Walko M, Wilson AJ, Zanchin NIT, McCarthy JEG, Nucleic Acids Res. 2018 Nov 22. pii: 5198480. doi: 10.1093/nar/gky1187. PMID: 30476241

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).